What was found
NR 4 SLAT CRACKED AT ACTUATOR I/B RIB. REMOVED NR 4 SLAT TO FOM SHEET METAL REPAIR IAW B727MM 27-81-11, REMOVED ACCESS PANEL IAW B727 SRM 51-30-2, REMOVED FASTENERS FOR REPAIR AND RIBS IAW B727 SRM 51-30-2, FABRICATED NEW RIBS I/B AND O/B MAT USED 2024T3 .040 PO 9001938 DIM 15 X 6 INCH IAW B727 SRM 51-20-1 AND 57-50-2 FIG 2. ALODINED AND PRIMED PARTS IAW B727 SRM 51-10-2. INSTALLED NEW RIBS IAW B727 SRM 51-20-1 AND 57-50-2 FIG 2. OK TO CLOSE ACCESS PANEL, INSTALLED ACCESS PANELS IAW B727 SRM 51-30-2, REINSTALLED NR 4 SLAT IAW B727 MM 2781-11, OPS AND LEAK CHECK GOOD.